Home / 95,387.50-131,670.09-81,904.60

Finding the Fourth Proportional to 95,387.50, 131,670.09 and 81,904.60

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Solution

The fourth proportional to 95,387.50, 131,670.09 and 81,904.60 is: 113,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,387.50 : 131,670.09 = 81,904.60 : x
  2. Step 2: Convert to fraction form
    95,387.50/131,670.09 = 81,904.60/x
  3. Step 3: Cross multiply
    95,387.50x = 131,670.09 × 81,904.60
  4. Step 4: Simplify right side
    95,387.50x = 10,784,386,053.41
  5. Step 5: Solve for x
    x = 10,784,386,053.41/95,387.50
  6. Step 6: Final answer
    x = 113,058.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.